2

FN6206.6

October 18, 2006

Block Diagram

Ordering Information

PART NUMBER (Note)

PART MARKING

TEMP. RANGE (°C)

PACKAGE (Pb-free) PKG. DWG. #

ISL12029IB27Z

12029IB27Z

2.63V

-40 to +85

14 Ld SOIC

M14.15

ISL12029IB27AZ

12029IB27 AZ

2.92V

-40 to +85

14 Ld SOIC

M14.15

ISL12029IB30AZ

12029IB30 AZ

3.09V

-40 to +85

14 Ld SOIC

M14.15

ISL12029IBZ

12029IBZ

4.38V

-40 to +85

14 Ld SOIC

M14.15

ISL12029IBAZ

12029IBAZ

4.64V

-40 to +85

14 Ld SOIC

M14.15

ISL12029IV27Z

12029 IV27Z

2.63V

-40 to +85

14 Ld TSSOP

M14.173

ISL12029IV27AZ

12029 27AZ

2.92V

-40 to +85

14 Ld TSSOP

M14.173

ISL12029IV30AZ

12029 30AZ

3.09V

-40 to +85

14 Ld TSSOP

M14.173

ISL12029IVZ

12029 IVZ

4.38V

-40 to +85

14 Ld TSSOP

M14.173

ISL12029IVAZ

12029 IVAZ

4.64V

-40 to +85

14 Ld TSSOP

M14.173

NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate

termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified

at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

Add “-T” suffix for Tape & Reel after the part number.

X1

X2

Oscillator

Frequency

Timer

Logic

Divider

Calendar

8

Control/

Registers

1Hz

Time

Keeping

Registers

Alarm Regs

Compare

RESET

Control

Decode

Logic

Alarm

(EEPROM)

(EEPROM)

SCL

SDA

Serial

Interface

Decoder

4K

EEPROM

ARRAY

Watchdog

Timer

Low Voltage

Reset

Registers

Status

(SRAM)

Select

32.768kHz

(SRAM)

Battery

Circuitry

Switch

OSC Compensation

ISL12029